package object;

public class ObjectDemo {
    public static void main(String[] args) {
        /*Point p1 = new Point(100,200);
        Point p2 = new Point(100,200);
        System.out.println(p1==p2);
        System.out.println(p1.equals(p2));
         */
        String s1 = new String("hello");
        String s2 = new String("hello");
        System.out.println(s1.equals(s2));

        StringBuilder s3 = new StringBuilder("hello");
        StringBuilder s4 = new StringBuilder("hello");
        System.out.println(s3.equals(s4));



        /*Point p  = new Point(100,200);
        System.out.println(p);

        String str = "这是一个点"+p;
        System.out.println(str);
         */
    }
}
